| A | B |
| Thomas Jefferson | America's third president |
| Aaron Burr | Jefferson's vice president |
| Alexander Hamilton | Burr killed this former Secretary of the Treasury in a duel |
| 12th Amendment | created a separate ballot for president and vice president |
| handshake | greeting favored by Jefferson over the bow |
| Sally Hemings | slave woman by whom Jefferson apparently fathered a child |
| Marbury v. Madison | US Supreme Court case that established the right of judicial review |
| Barbary Pirates | North African pirates |
| Stephen Decatur | US hero of the Barbary Wars |
| Louisiana Purchase | Jefferson doubled the size of the US |
| Toussaint L'Overture | Haitian slave who led a revolt against the French |
| Lewis and Clark | Jefferson sent them to explore the Louisiana Territory |
| Sacagawea | pregnant teenage girl who helped guide Lewis and Clark |
| Zebulon Pike | US soldier sent to explore Spanish territory |
| Burr Conspiracy | Aaron Burr plans to create his own country out of Mexico and the US frontier |
| Chesapeake Leopard Incident | British warship fires on and boards US warship and impresses sailors |
| Impressment | British kidnap sailors and force them into the Royal Navy |
| James Barron | Captain of the USS Chesapeake |
| Embargo | Jefferson's economic response to the Chesapeake Leopard Incident |
| O Grab Me | Nickname given to the Embargo by its opponents |
| National Road | road built by the US government from Maryland to Illinois |
| Monticello | Jefferson's home |
| Library of Congress | Jefferson's personal library was the beginning of this |
| Thomas Jefferson and John Adams | died on the 50th anniversary of the Declaration of Independence |
| Midnight Judges | name for the last minute appointments of judges by Adams |